Now maintain the freshness of your toilet with Harpic Hygienic! Harpic Hygienic are innovative cage-free toilet blocks that help clean and freshen with every flush. The toilet rim block works to maintain a constantly fresh and hygienic toilet. So your toilet feels fresher for longer, even in between cleans. For regular cleaning, use Harpic liquid. Usage: Take the block out of the pack; stretch the plastic clip Use the clip to attach and block securely into the rim of the toilet where flush water flows maximum Leave it dipped into the toilet rim till the block dissolves completely When the block is dissolved, simply take off the clip, throw it in the bin and replace with a new one This product can be used in a western toilet only.